Impenetrable and Perplexing


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Impenetrable adjective – Being beyond one's powers to know, understand, or explain.
Usage example: the mysteries of that religion are completely impenetrable to outsiders

Perplexing is a synonym for impenetrable in incomprehensible topic. In some cases you can use "Perplexing" instead an adjective "Impenetrable".
Nearby Words: impenetrability, impenetrably
Synonyms for Impenetrable


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Perplexing adjective – Lacking clarity of meaning; causing confusion or perplexity.
Impenetrable is a synonym for perplexing in puzzling topic. You can use "Impenetrable" instead an adjective "Perplexing", if it concerns topics such as difficult to understand.
Nearby Words: perplex, perplexity, perplexed, perplexedly
Synonyms for Perplexing

Things that words describes

line impenetrable line perplexing line
jungle impenetrable jungle perplexing jungle
Cite this Source
Perplexing and Impenetrable. (2016). Retrieved 2020, February 29, from
Impenetrable & Perplexing. N.p., 2016. Web. 29 Feb. 2020. <>.
Perplexing or Impenetrable. 2016. Accessed February 29, 2020.

Synonyms for impenetrable
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Synonyms for perplexing
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Google Ngram Viewer shows how "impenetrable" and "perplexing" have occurred on timeline: